Refactor contributing guidelines for clarity and link to DEVELOPMENT.md for detailed instructions

Author: calliostro

README.md

@@ -230,16 +230,8 @@ echo "Hello " . $identity['username'];
 
 ## 🤝 Contributing
 
-1. Fork the repository
-2. Create feature branch (`git checkout -b feature/name`)  
-3. Commit changes (`git commit -m 'Add feature'`)
-4. Push to branch (`git push origin feature/name`)
-5. Open Pull Request
-
 Contributions are welcome! See [DEVELOPMENT.md](DEVELOPMENT.md) for detailed setup instructions, testing guide, and development workflow.
 
-Please follow PSR-12 standards and include tests for new features.
-
 ## 📄 License
 
 MIT License – see [LICENSE](LICENSE) file.